At January 1, Year 1, under its restricted stock unit (RSU) plan, Label Corporation grants RSUs representing 10,000 of its $1 par common shares to executives. The shares are subject to forfeiture if employment is terminated within a five-year vesting period. Shares have a current market price of $10 per share and their average market price during Year 1 was $20 per share. What is the number of shares that will be added to the denominator of diluted EPS for Year 1?